Portion of a closure



FIG. 1 is a perspective view of a portion of a closure, according to my new design.

FIG. 2 is a front elevational view of the closure of FIG. 1, the opposite side being a mirror image thereof.

FIG. 3 is a top plan view of the closure of FIG. 1.

FIG. 4 is a side elevational view of the closure of FIG. 1, the opposite side being a mirror image thereof; and,

FIG. 5 is a bottom plan view of the closure of FIG. 1.

The dashed lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a portion of a closure, as shown and described. 